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Initial multitherapy better than monotherapy in Glaucoma


Initial multitherapy better than monotherapy in Glaucoma

A new study published in the journal Acta Opthamologica suggests that intensive treatment led to considerably greater intraocular pressure(IOP)reduction than mono‐therapy in the patient with open-angle glaucoma. The study showed that among patients with IOP ≥30 mmHg at diagnosis, an IOP of <16 was reached in 2/3 of those with multi-therapy but in none with monotherapy.

Linden et al. studied newly diagnosed glaucoma patients given mono- or multi-therapy regarding differences in initial intraocular pressure (IOP) reduction, target IOP levels reached and influence of untreated baseline IOP on IOP reduction.

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The study participants included in the Glaucoma Intensive Treatment Study (GITS) were randomized to immediate intensive treatment with any of three different IOP-lowering substances supplied in two bottles plus 360° laser trabeculoplasty or to conventional stepwise treatment starting with a single-drug. Intraocular pressure reduction was analyzed 1 month after initiation of treatment. One hundred eighteen patients (143 eyes) received mono-therapy and 122 patients (152 eyes) multi-therapy. Median baseline IOP was 24.0  mmHg in mono-therapy eyes and 24.0  mmHg in multi-therapy eyes.

The key study findings include:

  • After 1 month in the two groups, respectively, values for median IOP reduction were 6.3  and 11.0 mmHg, and for mean relative decline 26.8  and 46.0 %.
  • A larger proportion of the multi-therapy patients reached each target IOP level.
  • The higher the baseline IOP, the larger the observed pressure reduction, considering both absolute and relative figures.
  • The effect was more pronounced in eyes with multi-therapy than in those with monotherapy.
  • For every mmHg higher IOP at baseline, the IOP was reduced by an additional 0.56 (mono-therapy) or 0.84 (multi-therapy) mmHg.

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“Our results demonstrate that, compared to the mono‐therapy, the initial intensive treatment was considerably and significantly more effective in achieving overall IOP reduction in OAG patients. Short‐term mean IOP reduction among multi‐therapy patients was about 5 mmHg greater than in patients who received conventional treatment, “write the authors.

For reference log on to https://doi.org/10.1111/aos.13790

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Vinay Singh

Vinay Singh

Vinay Singh joined Medical Dialogue as Desk Editor in 2018. He covers the medical speciality news in different medical categories including Medical guidelines, updates from Medical Journals and Case Reports. He completed his graduation in Biotechnology from AAIDU and did his MBA from IILM Gurgaon. He can be contacted at editorial@medicaldialogues.in . Contact no. 011-43720751
Source: With inputs from the journal Acta Opthamologica

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